Research on Basic Mechanical Properties and Fracture Damage of Coal Gangue Concrete Subjected to Freeze-Thaw Cycles

Figure 11

Freeze-thaw damage of fracture energy of coal gangue concrete under different replacement rates. (a) Replacement rate of 0%. (b) Replacement rate of 40%. (c) Replacement rate of 70%. (d) Replacement rate of 100%.

(a)

(b)

(c)

(d)